/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineTournamentInterface.h
Get the list of Participant IDs for this tournament if known
const [TArray](API\Runtime\Core\Containers\TArray)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< const [IOnlineTournamentParticipantDetails](API\Plugins\OnlineSubsystem\Interfaces\IOnlineTournamentParticipantDeta-) > > & GetParticipants() const